Improvement in key-rings



' J. W. JOGHIM.

Key-Ring.

No. 219,952. Patented Sept. 23,1879.

WITNESSES INVENTOR %Zar W UNITED STATES PATENT OFFICE.

JOHN W. JOGHIM, OF ISHPEMING, MICHIGAN.

l MPROVEMENT IN KEY-RINGS.

Specification forming part of Letters Patent No. 219.952, datedSeptember 23, 1879; application filed July 26, 1879. v

To all whom it may concern:

' Be it known that I, JOHN W. JOGHIM, of Ishpeming,.in the county ofMarquette and State of Michigan, have invented a new and usefulImprovement in Key-Rings, of which the following is a specification.

Figure l is a perspective view of one of my improved key-rings opened.Fig. 2 is a detail view of the locked ends of the ring. Fig. 3 is alongitudinal section of the same, taken through the line a: as, Fig. 2.Fig. 4 is acrosssection of the same, taken through the liney 3 Fig. 2.

Similar letters of reference indicate corresponding parts.

The object of thisinvention is to furnish an improved key-ring whichshall be so constructed that it will not be liable to open accidentally,and which shall be simple in construction and convenient in use.

The invention consists in' an improved keyring formed of the open ringhaving a notched flange formed upon one end, and a neck, a head, and ashoulder formed upon the other end, to interlock with each other, ashereinafter fully described.

A is an open ring, upon one end of which is formed anoutwardlyprojecting flange, oi having a notch, 0?, in its center, toreceive the neck a of the head 00*, formed upon the other end of thering A. The neck a is made of a length equal to the thickness of theflange a). The head a is so formed as to fit into the angle between thebody of the ring A and the outer side of the flange a Upon the ring A,at the base of the neck a is formed a shoulder, a corresponding in shapeand size with I claim as new and desire to secure by Letters Patent- Animproved keyring-formed of the open ring A, having a notched flange, a aformed upon one end, and a neck, a a head, 6%, and a shoulder, a formedupon the other end, to interlock with each other, substantially asherein shown and described.

JOHN WAIJFRID J OGHIM.

Witnesses GEO. W. HAYDEN, SEVERIN A. THoMPsoN.

